KR20140128183A - Adhesive coating method on reinforcing metal member of oil seal - Google Patents

Adhesive coating method on reinforcing metal member of oil seal Download PDF

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Publication number
KR20140128183A
KR20140128183A KR20130047057A KR20130047057A KR20140128183A KR 20140128183 A KR20140128183 A KR 20140128183A KR 20130047057 A KR20130047057 A KR 20130047057A KR 20130047057 A KR20130047057 A KR 20130047057A KR 20140128183 A KR20140128183 A KR 20140128183A
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South Korea
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adhesive
loading
loading container
metal reinforcement
phosphate coating
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KR20130047057A
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Korean (ko)
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KR101523068B1 (en
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허용수
김명천
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한국에스케이에프씰 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds
    • C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C09J201/10—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing hydrolysable silane groups
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/10—Phosphatation

Abstract

The present invention relates to a phosphate coating method to adhere rubber and a reinforcing metal member, which is characterized in that the whole coating processes are aligned in a loop form by contacting the place performing a loading process of loading a reinforcing metal member to be coated in a loading container, which is the initial process, and the unloading place performing a coating process of an adhesive and a drying process, which is the final process. Also, the phosphate coating method is characterized in that a contaminated adhesive attachment to the loading container is removed and washed with a solution having a functional group identical to the functional group of chemicals used in the adhesive coating process and a phosphate coating process. Accordingly, the present invention can improve the productivity of manufacturing an oil seal by aligning the processes of the initial loading process of the reinforcing metal member to be processed and the final unloading process in a circular loop form so as to reduce the transport distance between processes. Furthermore, chemicals having the identical functional group are used in the coating process, the phosphate coating process and the washing process so that the loading container used in the previous process is used for the following process without replacing, thereby reducing the process treatment time, and conveniently removing and washing the adhesive attached to the loading container.

Description

오일 씰의 고무와 금속 보강재의 접착을 위한 접착제 도포방법{ADHESIVE COATING METHOD ON REINFORCING METAL MEMBER OF OIL SEAL}Technical Field [0001] The present invention relates to a method of applying an adhesive for bonding an oil seal rubber to a metal reinforcement,

본 발명은 오일 씰(Oil Seal)을 구성하는 합성고무와 금속 보강재를 접착하기 위해 금속 보강재 표면에 실시하는 접착제 도포방법에 관한 것이다.The present invention relates to a method of applying an adhesive to the surface of a metal reinforcement to bond a synthetic rubber constituting an oil seal with a metal reinforcement.

도 1은 전형적인 오일 씰을 보인 것으로, 도시된 바와 같이, 오일 씰(10)은 합성고무(10)와 금속 링, 스프링 등의 금속 보강재(14)를 일체로 조합한 링 형상으로, 회전축의 외부로부터 먼지나 이물질이 들어가지 않도록 차단하며, 동시에 윤활유가 외부로 새어나가지 않도록 하는 밀봉기구로 자동차 등 광범위한 분야에 사용되고 있다.1 shows a typical oil seal. As shown in the figure, the oil seal 10 has a ring shape in which a synthetic rubber 10 and a metal reinforcement 14 such as a metal ring and a spring are integrally combined, And prevents the lubricant from leaking to the outside, and is used in a wide range of fields such as automobiles.

이와 같은 오일 씰(10)은, 제조과정 중에서 합성고무(12)와 금속 보강재(14)의 접착성을 높이기 위하여 금속 보강재(14)의 표면에 부착된 유지분을 제거하는 탈지작업을 실시한 다음 인산염 피막(Phosphating)이 형성되고, 인산염 피막이 형성된 표면에 접착제가 도포된다. 접착제가 도포된 금속 보강재(14)는 다음 공정에서 합성고무(12)와 일체화되는 공정을 거쳐 오일 씰(10)이 제조된다.Such an oil seal 10 is subjected to a degreasing operation for removing the oil adhering to the surface of the metal reinforcement 14 in order to improve the adhesion between the synthetic rubber 12 and the metal reinforcement 14 during the manufacturing process, Phosphating is formed, and an adhesive is applied to the surface on which the phosphate coating is formed. The metal reinforcement 14 coated with the adhesive is subjected to a process of integrating with the synthetic rubber 12 in the next step to produce the oil seal 10.

금속 보강재(14)의 표면에는 성형과정 등에서 광물성 식물성 등의 유지분이 부착되어 있어 인산염 피막처리 공정 전에 이를 완전히 제거해야 한다. 이러한 유지분을 제거하는 탈지방법에는 솔벤트 나프사, 트리크롤로 에틸렌 등의 용제로 씻어 내는 용제탈지법 또는 알카리 용액으로 금속면에 부착되어 있는 유지분을 검화하여 제거하는 알카리 탈지법 등이 있다.The surface of the metal stiffener (14) is adhered with a mineral such as mineral vegetable in the molding process, so it must be completely removed before the phosphate coating process. Examples of a degreasing method for removing such a fat include a solvent degreasing method in which the solvent is washed with a solvent such as naphtha or tricolorethylene, or an alkali degreasing method in which a fat component attached to a metal surface is removed by saponification.

탈지작업으로 유지분이 제거된 금속 보강재(14)는 인산염 피막처리 공정으로 금속 보강재(14) 표면에 화학적 반응을 일으켜 피막을 형성시키는 것으로, 망간이나 아연, 철과 같은 금속의 제1인산염 수용액을 비등점 가까이 가열하여 금속 보강재(14)를 침적시키면 표면에 불용성인 철 제2 및 제3인산염의 피막이 형성된다. 이 인산염 피막은 물에 녹지 않고 조직이 치밀하여 방식효과가 뛰어나 접착제 도포의 바탕이 된다.The metal stiffener 14 from which the fat content has been removed by the degreasing operation is formed by a chemical reaction on the surface of the metal stiffener 14 by the phosphate film treatment process so that the first phosphate aqueous solution of a metal such as manganese, When the metal reinforcement 14 is immersed in the vicinity of the heating, a coating of ferric secondary and tertiary phosphate insoluble on the surface is formed. This phosphate coating does not dissolve in water and has a dense structure, so it has a good effect on the surface, which is the basis of applying an adhesive.

도 2는 종래의 일반적인 인산염 피막처리 공정에 의해 접착제가 도포되고 있는 접착제 도포공정을 나타낸 것이다. 도시된 바와 같이, 각 처리 공정은 일렬로 길게 배치되어 피처리 금속 보강재(14)를 회전하는 랙(rack)이나 망상용기의 바렐(barrel)(이후 '랙'이나 바렐'을 '적재 용기'라 부르기로 한다.)에 적재하여 이송 행거에 걸어 각 공정의 처리조에 순차적으로 이송하여 침적시키거나 수세, 건조시킨다. FIG. 2 shows an adhesive applying step in which an adhesive is applied by a conventional phosphating process. As shown in the figure, each treatment process is arranged in a row so that a rack or a barrel of the reticulated container (hereinafter, 'rack' or barrel ' And then transferred to the treatment tank of each process in succession by hanging on the transfer hanger, soaking, washing and drying.

그러나, 일렬로 배치된 종래의 공정은 접착제가 도포된 금속 보강재(14)를 배출하는 언로딩 공정에서 적재용기를 회수하여 새로운 피처리 금속 보강재(14)를 적재하는 로딩 공정까지의 공정 이동거리가 길어 생산성이 낮다는 문제점이 있다.However, in the conventional process arranged in a line, in the unloading process for discharging the metal reinforcing material 14 coated with the adhesive, the loading container is taken out of the unloading process to load the new target metal reinforcement 14 There is a problem in that the productivity is low due to a long process moving distance to the process.

또한, 인산염이 피막된 금속 보강재(14)가 적재된 적재용기가 공기 중에 노출된 상태에서 다음 처리조로 이동될 때 시간이 길어질 경우, 금속 보강재(14)가 공기와 접촉되어 녹 발생의 우려가 있다. 그리고 인산염 피막공정을 거친 금속 보강재(14)를 접착제 도포를 위해서 이동시킬 경우 먼지나 이물질의 오염으로 합성고무와의 접착성을 저하시킬 우려가 있다.In addition, when the loading container loaded with the phosphate-coated metal reinforcement 14 is moved from the exposed state to the air to the next processing vessel and the time is prolonged, the metal reinforcement 14 may come into contact with air, . When the metal reinforcing material 14 subjected to the phosphate coating process is moved for applying the adhesive, there is a fear that the adhesion to the synthetic rubber is lowered due to contamination of dust or foreign matter.

뿐만 아니라, 인산염 피막공정에서 사용하는 적재용기를 접착제 도포공정에 반복 재사용할 경우 적재용기에 고착된 접착제의 제거 및 세척이 용이하지 않다는 문제점이 있다.
In addition, when the loading container used in the phosphate coating process is repeatedly reused in the adhesive application process, it is not easy to remove and clean the adhesive adhered to the loading container.

본 발명은 상술한 종래의 문제점을 해결하기 위한 것으로, 공정 이동거리를 줄이고, 인산염 피막처리된 금속 보강재를 공기중에 노출시키기 않고 접착제 도포공정에 결합하여 금속 보강재 준비공정의 생산성과 품질을 높이는 방법을 제공하는 것을 목적으로 한다.SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-described problems of the prior art, and a method for improving the productivity and quality of a metal reinforcement preparation process by reducing a moving distance of a process and bonding a phosphated metal reinforcement to an adhesive application process without exposing the metal reinforcement to air The purpose is to provide.

본 발명의 다른 목적은 접착제 도포공정에서 사용한 적재용기를 인산염 피막작업에 그대로 사용하여 공정처리시간을 단축할 수 있는 방법을 제공하는 것이다.Another object of the present invention is to provide a method for reducing the processing time by directly using the loading container used in the adhesive application process for the phosphate coating.

본 발명의 또 다른 목적은 적재용기에 고착된 접착제의 제거 및 세척이 용이한 방법을 제공하는 것이다.
It is a further object of the present invention to provide a method which facilitates the removal and cleaning of the adhesive adhered to the loading container.

상술한 본 발명의 목적은, 피막처리하려는 피금속 보강재를 최초 공정인 적재용기에 적재하는 로딩공정의 실시 장소와, 접착제의 도포공정 및 건조공정을 실시하고 최종 공정인 언로딩 장소를 인접시켜 전 피막처리 공정을 루프형태로 배열하여 달성된다.SUMMARY OF THE INVENTION The object of the present invention is to provide a method and apparatus for performing a coating process and a drying process for a coating process and a loading process for loading a metal- And a film-forming process is arranged in a loop shape.

또한, 인산염 피막처리 공정 후에 피금속 보강재가 적재된 적재용기는 공기중에 노출되어 녹이 발생하는 것을 방지하기 위하여 처리조에 침적된 상태에서 이송방향을 전환하는 것이 바람직하다.In addition, it is preferable that the loading direction of the loading container loaded with the metal reinforcement material after the phosphate film coating process is changed in the state of being immersed in the treatment bath to prevent rust from being exposed to the air.

그리고, 접착제 도포공정은 접착제로서 인산염 피막공정에서 사용한 화학약품과 작용기가 같은 접착제를 사용하여 적재용기를 교체하지 않고 도포공정에 그대로 사용하도록 한다. In the adhesive application step, an adhesive agent having the same functional group as that of the chemical used in the phosphate coating process is used as the adhesive, and the adhesive is applied to the application process without replacing the loading container.

또한, 적재용기에 오염된 접착제 고착물의 제거 및 세척에도 접착제와 작용기가 같은 고온의 알카리 용액으로 실시하는 것이 바람직하다.
In addition, it is preferable that the adhesive and the functional group of the adhesive agent contaminated in the loading container are removed and cleaned with a high-temperature alkaline solution.

이에 의해 본 발명은, 피처리 금속 보강재의 최초 로딩 공정과 접착제가 도포되어 언로딩하는 최종 공정을 근접시킨 순환 루프방식으로 공정을 배치하여 공정 이동거리를 줄여 오일 씰 제조의 생산성을 40% 이상 높일 수 있다.Accordingly, the present invention can increase the productivity of the oil seal manufacturing by more than 40% by reducing the moving distance of the process by arranging the process in the circulating loop method in which the initial loading process of the metal target reinforcement is applied and the final process of unloading by applying the adhesive .

그리고, 도포공정과 인산염 피막공정에 작용기가 같은 화학약품을 사용함으로써 전(前)공정에서 사용한 적재용기를 교체하지 않고 후공정에서 그대로 사용하여 공정처리시간을 단축할 수 있다.By using a chemical agent having the same functional group in the coating process and the phosphate coating process, it is possible to shorten the processing time by using it in the subsequent process without replacing the loading container used in the previous process.

그리고, 접착제와 화학적 작용기가 같은 세척액을 사용함으로써 용이하게 적재용기에 고착된 접착제의 제거 및 세척을 할 수 있다.
By using a cleaning liquid having the same adhesive and chemical functional groups, it is possible to easily remove and clean the adhesive adhered to the loading container.

도 1은 전형적인 오일 씰의 구조를 나타낸 부분 절개 사시도.
도 2는 종래의 접착제 도포공정 순서도.
도 3은 본 발명의 실시예에 따른 접착제 도포공정 순서도.BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a partially cutaway perspective view of a typical oil seal construction.
2 is a flowchart of a conventional adhesive application process.
3 is a flow chart of an adhesive application process according to an embodiment of the present invention;

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세하게 설명한다. 도시되어 있지는 않지만, 각 공정의 처리조가 배열된 상부 공간에는 상하로 오르내리면서 적재용기를 파지하는 리프트 행거와 파지된 적재용기를 각 공정 처리조로 이송시키는 이송레일이 설치되어 있다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Although not shown, there is provided a lift hanger for gripping the loading container while vertically moving up and down in the upper space in which the treatment tanks of the respective processes are arranged, and a transfer rail for transferring the gripped loading containers to the respective processing tanks.

도 3은 본 발명의 실시예에 따른 접착제 도포공정 순서도로서, 인산염 피막처리 공정을 거쳐 접착제 도포공정의 순서로 진행된다. FIG. 3 is a flow chart of an adhesive application process according to an embodiment of the present invention, and proceeds in the order of a phosphate coating process and an adhesive application process.

도시된 바와 같이, 인산염 피막처리 공정의 최초 로딩공정과, 접착제 도포공정의 최종 언로딩 공정이 서로 인접되어 전 공정이 순환되는 루프형태로 배열되어 있다. As shown in the figure, the initial loading process of the phosphate coating process and the final unloading process of the adhesive application process are arranged adjacent to each other and arranged in a loop in which the whole process is circulated.

금속 보강재의 접착제 도포공정을 개략적으로 설명하면, 피처리 금속 보강재(14)를 적재용기에 투입 적재하는 로딩공정, 적재용기에 적재된 금속 보강재(14) 표면의 오일성분을 제거하는 예비탈지 공정, 예비탈지 공정 다음에 실시하는 본 탈지공정, 본 탈지공정을 실시한 후, 금속 보강재 표면에 잔류하는 탈지 약품을 제거하는 수세공정, 표면조정 공정을 거친 금속 보강재 표면에 인산염 피막처리를 실시한다.The process of applying the adhesive to the metal reinforcement material will be roughly described as follows: a loading step for loading the metal target reinforcement material 14 into the loading container, a preliminary degreasing step for removing the oil component from the surface of the metal reinforcement material 14 loaded on the loading container, Preliminary degreasing process After the main degreasing process and the main degreasing process performed after the preliminary degreasing process, the surface of the metal reinforcement subjected to the water washing process and the surface conditioning process to remove the defatting chemicals remaining on the surface of the metal reinforcement is subjected to the phosphate coating process.

표면조정 공정은 금속 보강재(14)가 알카리 탈지공정을 거치면서 금속 표면이 활성점을 잃게 되어 표면이 거친 조대(粗大)한 결정이 만들어 진다. 따라서, 금속 표면에 자유에너지를 부여하여 결정핵을 증가시켜 미세하고 균일한 결정 피막을 입혀주는 것이 표면조정이다. 표면 조정제로서는 수산(蓚酸) 등을 사용한다.In the surface adjustment process, as the metal reinforcement 14 undergoes the alkali degreasing process, the active surface of the metal surface is lost, and coarse crystals are formed on the surface. Therefore, it is the surface adjustment that the free energy is given to the metal surface to increase the crystal nuclei and to apply fine and uniform crystal coating. As the surface conditioner, oxalic acid or the like is used.

표면조정 공정을 마친 금속 보강재(14)는 다음 공정에서 인산염 피막처리를 한다. 인산염 피막처리 공정은 화학적으로 금속 보강재(14) 표면에 피막을 입혀 방청성, 내식성, 내고온 산화성 등의 화학적 성질을 개선시킴과 동시에 경도, 내마모성을 증가시켜준다. The metal reinforcement 14 after the surface adjustment process is subjected to a phosphate coating treatment in the next step. The phosphate coating process chemically deposits a coating on the surface of the metal reinforcement (14) to improve the chemical properties such as corrosion resistance, corrosion resistance and high temperature oxidation resistance, and increase hardness and abrasion resistance.

금속 보강재(14)를 인산, 인산아연, 질산아연, 산화제, 촉진제 등이 용해된 피막액 처리조에 침적시켜 가열하면 철성분은 인산과 반응하여 철성분은 부식되고 그 일부가 용해되어 철이온이 되며, 철이온은 인산과 반응하여 제1 인산철 피막이 된다.(식 1)When the metal reinforcing material 14 is immersed in a coating liquid treatment tank in which phosphoric acid, zinc phosphate, zinc nitrate, an oxidizing agent, an accelerator, etc. are dissolved and heated, the iron component reacts with phosphoric acid to corrode the iron component, , And iron ion reacts with phosphoric acid to become a ferrous phosphate film. (Formula 1)

Fe + 2H2PO4 ↔ Fe(H2PO4)2 + H2↑ ············(1)Fe + 2H 2 PO 4 ↔ Fe (H 2 PO 4 ) 2 + H 2 ↑ (1)

다음, 인산염 피막처리를 마친 금속 보강재(14)는 인산염 피막처리조에서 가열되어 있는 상태이므로 접착제 도포공정으로 방향 전환하기 위해서 공기 중에 오래 노출시키게 되면 급속히 산화되어 녹이 발생한다. 이를 방지하기 하기 위하여 약품을 제거하는 수세공정은 금속 보강재(14)를 수세 처리조에 침적한 상태로 접착제 도포공정으로 방향 전환시킨다.Next, since the metal stiffener 14 having been subjected to the phosphate coating treatment is heated in the phosphate coating tank, it is rapidly oxidized and rusted if it is exposed to the air for a long time in order to change its direction to the adhesive application process. In order to prevent this, the water washing step for removing the chemicals redirects the metal reinforcement 14 to the adhesive application step in a state immersed in the water treatment tank.

접착제 도포공정으로 방향 전환된 금속 보강재(14)는 수세 처리조에서 인양되어, 다시 수제, DI 수세 공정을 거쳐 건조공정, 접착제 도포공정, 건조공정, 언로딩 공정이 순차적으로 진행된다. The metal reinforcement material 14, which has been redirected to the adhesive application step, is lifted in the water treatment tank, and then subjected to a drying process, an adhesive application process, a drying process, and an unloading process sequentially through handmade and DI water washing processes.

따라서, 접착제 도포공정을 'ㅁ'자 또는 'U'자의 순환 루프 형상으로 배치하여, 로딩 공정과 언로딩 공정을 이웃에 서로 근접 배치시켜, 공정 이동거리를 단축시킨다.Therefore, the adhesive application process is arranged in the form of a circulation loop of a 'U' shape or a 'U' shape so that the loading process and the unloading process are arranged close to each other to shorten the process moving distance.

그리고 루프형식의 접착제 도포공정은 적재용기 이송에 있어 일자형 피막공정과 달리 인산염 피막처리 공정이후 적재용기의 방향 전환이 필요하다. 이때, 적재용기를 공기 중에 노출시키면, 피막된 금속 보강재 표면에 녹이 발생하게 된다. 따라서, 적재용기는 처리조에 침적된 상태에서 이송방향을 전환시킨다.In addition, loop type adhesive application process requires redirection of the container after the phosphate film treatment process, unlike the straight film process in the transport of the container. At this time, when the loading container is exposed to the air, the surface of the coated metal reinforcement is rusted. Therefore, the loading container changes the conveying direction while being immersed in the treating tank.

본 발명의 특징 중의 하나는 접착제 도포공정에서 회수된 적재용기를 별도의 세척공정 없이 인산염 피막처리 공정에 그대로 사용한다는 점이다. 이와 같이 도포공정에서 회수된 적재용기를 인산염 피막처리 공정에서 그대로 사용하기 위해서는 접착제 도포공정에서 사용하는 접착제의 화학적 작용기를 동일하게 한다. One of the features of the present invention is that the loading container recovered in the adhesive application process is used as it is in the phosphate film treatment process without a separate washing process. In order to use the loaded container recovered in the coating process as it is in the phosphate coating process, the chemical functional groups of the adhesive used in the adhesive coating process are made the same.

인산염 피막공정과 접착제 도포공정이 결합되면 적재용기를 공용으로 사용하는 것이 바람직하며, 이때, 접착제 도포공정에서 적재용기에 접착제가 고화 및 고착되어 적재용기가 접착제로 오염된다. 그러나, 접착제로서 실란(Silane)계를 사용하면 후공정인 탈지공정에서 알칼리용액을 사용하기 때문에 실란계와 알칼리 용액의 작용기가 서로 같아 탈지공정에서 아래 식 2의 화학반응에 의해 적재용기에 고착된 접착제가 용해 제거된다.When the phosphate coating process and the adhesive application process are combined, it is preferable that the loading container is used commonly. In this case, the adhesive is solidified and adhered to the loading container in the adhesive application process, and the loading container is contaminated with the adhesive. However, if a silane system is used as an adhesive, since the alkaline solution is used in the subsequent degreasing step, the functional groups of the silane system and the alkaline solution are the same. Thus, in the degreasing step, The adhesive is dissolved and removed.

Figure pat00001
Figure pat00001

본 실시예에서 탈지공정에 사용하는 알칼리 용액의 수산기(-OH)는 접착제 도포공정에서 사용하는 실란계 접착제의 화학적 작용기(Si-OH)와 같다. 따라서, 적재용기에 고착된 접착제 성분은 예비 및 본 탈지공정의 알카리 작용기에 의해 용해 제거된다.The hydroxyl group (-OH) of the alkali solution used in the degreasing step in this embodiment is the same as the chemical functional group (Si-OH) of the silane-based adhesive used in the adhesive application step. Thus, the adhesive component adhered to the loading container is dissolved and removed by the alkali functional groups of the preliminary and main degreasing processes.

따라서, 접착제 도포공정에서 실란계 접착제를 도포하는 경우 실리콘(Si)이 알카리와 반응하여 세척되므로 인산염 피막처리 공정에서 별도의 적재용기를 사용하지 않고 접착제 도포공정에서 사용한 적재용기를 공정 전체를 순환시키면서 재사용할 수 있다.
Therefore, when the silane-based adhesive is applied in the adhesive application process, the silicon (Si) reacts with the alkali and is cleaned. Therefore, the loading container used in the adhesive application process is circulated throughout the process without using a separate loading container in the phosphate coating process Can be reused.

본 명세서에서 설명되는 실시예와 첨부된 도면은 본 발명에 포함되는 기술적 사상의 일부를 예시적으로 설명하는 것에 불과하다. 따라서, 본 명세서에 개시된 실시예들은 본 발명의 기술적 사상을 한정하기 위한 것이 아니라 설명하기 위한 것이므로, 이러한 실시예에 의하여 본 발명의 기술 사상의 범위가 한정되는 것은 아님은 자명하다. 본 발명의 명세서 및 도면에 포함된 기술적 사상의 범위 내에서 당업자가 용이하게 유추할 수 있는 변형 예와 구체적인 실시 예는 모두 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.
The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Accordingly, the embodiments disclosed herein are for the purpose of describing rather than limiting the technical spirit of the present invention, and it is apparent that the scope of the technical idea of the present invention is not limited by these embodiments. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10 : 오일 씰 12 : 합성고무
14 : 금속 보강재10: Oil seal 12: Synthetic rubber
14: Metal reinforcement

Claims (4)

오일 씰의 금속 보강재에 접착제를 도포하는 방법에 있어서,
인산염 피막처리를 위해 금속 보강재를 적재용기에 적재하는 최초의 로딩공정을 실시하는 장소와, 접착제 도포가 완료된 금속 보강재를 배출하는 최종 언로딩 장소를 인접시켜 접착제 도포공정을 루프형태로 배열시킨 것을 특징으로 하는 고무와 금속 보강재의 접착을 위한 접착제 도포방법.
A method of applying an adhesive to a metal reinforcement of an oil seal,
It is characterized by arranging the adhesive application process in a loop shape by adjoining the place where the first loading process for loading the metal reinforcement into the loading container and the final unloading place for discharging the metal reinforcement material after the adhesive application is completed Of the rubber and the metal reinforcement.
청구항 1에 있어서,
상기 인산염 피막처리 후 상기 적재용기는 처리조에 침적된 상태에서 이송방향이 전환되는 것을 특징으로 하는 고무와 금속 보강재의 접착을 위한 접착제 도포방법.
The method according to claim 1,
Wherein the loading direction of the loading container after the phosphate coating process is changed in a state of being immersed in the treating tank.
청구항 1에 있어서,
상기 접착제 도포공정은 접착제로서 실란계를 사용하는 것을 특징으로 하는 고무와 금속 보강재의 접착을 위한 접착제 도포방법.
The method according to claim 1,
Wherein the adhesive applying step uses a silane-based adhesive as the adhesive.
청구항 3에 있어서,
상기 접착제 도포공정의 적재용기에 오염된 접착제 고착물의 제거는 예비탈지 및 본 탈지공정에서 알칼리 용액에 의해 이루어지는 것을 특징으로 하는 고무와 금속 보강재의 접착을 위한 접착제 도포방법.
The method of claim 3,
Wherein the removal of the contaminated adhesive fixture in the loading container of the adhesive application step is carried out by an alkaline solution in the preliminary degreasing and main degreasing process.
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KR101994771B1 (en) * 2019-01-16 2019-07-01 한국에스케이에프씰 주식회사 Manufacturing Method of Piston Seal
KR20200048280A (en) * 2018-10-29 2020-05-08 (주)진양오일씰 Automatic Application of Adhesive Liquid

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KR20200048280A (en) * 2018-10-29 2020-05-08 (주)진양오일씰 Automatic Application of Adhesive Liquid
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